Suspension and Components
Circle Track Suspension Parts: Control Arms, Shocks & Springs for IMCA & Late Models at JJ Motorsports
Optimize handling and stability on the track with premium circle track suspension components from JJ Motorsports. Our selection includes control arms, shocks, springs, weight jacks, and more, designed for superior cornering, durability, and performance in late models, modifieds, street stocks, and IMCA dirt racing. Compatible with GM Metric frames and other setups, these high-quality parts ensure reliable operation and enhanced traction under intense racing conditions.
Shop trusted brands like Allstar Performance. Explore related categories such as circle track steering and components for precision control or circle track brakes for stopping power.
Top Circle Track Suspension Products
- Lower Control Arm Kit for 1978-88 GM Metric Street Stock & Hobby Stock, Includes Ball Joints & Greasable Bushings – This kit includes stamped steel lower control arms with black powdercoat finish, greasable bushings, and weld-in greasable ball joints for enhanced suspension performance. It is compatible with 1978-88 GM Metric G-Body vehicles and designed for street stock and hobby stock racing applications.
- Allstar Performance Metric Upper Control Arm Left 9in ALL57984 – This tubular upper control arm is designed for the driver side on GM Metric Frames, measuring 9.00 inches long with a bolt-in ball joint and steel construction finished in black powder coat. It features greasable pivot points and is ideal for hobby stock race cars, providing a perfect fit and function.
- Spring Cup Weight Jack Bolt Combo ONE PAIR IMCA Modified Dirt USRA B-Mod Cups – This kit includes two 8" long steel jack bolts with 1-8 course threads and two steel spring cups with a 5-inch outer diameter. It is designed for IMCA Modified, Dirt, and USRA B-Mod cups.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Spring 12in Coil-Over 2.5in ID 1200.250.0400
EIBACH
$87.00A properly tuned suspension starts with the right spring rate, and this 12-inch coil-over delivers the stiffness you need for consistent chassis control without sacrificing ride quality. At 400 lb/in, it's engineered for street-driven performance cars...EIB1200.250.0400- SKU:
- EIB1200.250.0400
- Availability:
- Ships Same Business Day
- Weight:
- 6.13 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0375
EIBACH
$87.00A properly tuned suspension starts with the right spring rate for your application. This 12-inch coil-over delivers consistent 375 lb/in spring rate performance, whether you're dialing in a road course setup or fine-tuning your drag platform. The 2...EIB1200.250.0375- SKU:
- EIB1200.250.0375
- Availability:
- Ships Same Business Day
- Weight:
- 5.78 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0350
EIBACH
$87.00A properly matched coil-over spring is essential for dialing in your suspension geometry and achieving predictable handling characteristics. This 350 lb/in spring rate delivers responsive, controlled suspension behavior across a range of vehicle weights...EIB1200.250.0350- SKU:
- EIB1200.250.0350
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0325
EIBACH
$87.00A properly tuned suspension starts with the right spring rate, and this 12-inch coil-over delivers predictable, linear load response for both street and track applications. Whether you're fine-tuning your setup for autocross or building a dedicated race...EIB1200.250.0325- SKU:
- EIB1200.250.0325
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0300
EIBACH
$87.00A properly tuned suspension starts with the right spring rate, and this 12-inch coil-over delivers the 300 lb/in stiffness needed for precise chassis control without compromising ride quality. Whether you're fine-tuning a road course setup or dialing in...EIB1200.250.0300- SKU:
- EIB1200.250.0300
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0275
EIBACH
$87.00A properly tuned suspension starts with the right spring rate, and this 12-inch coil-over delivers the 275 lb/in stiffness needed for controlled handling without sacrificing ride quality. Whether you're fine-tuning a street-driven sports car or dialing...EIB1200.250.0275- SKU:
- EIB1200.250.0275
- Availability:
- Ships Same Business Day
- Weight:
- 4.61 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0250
EIBACH
$87.00A properly matched coil-over spring is the foundation of responsive suspension tuning. This 250 lb/in rate delivers the linear support needed for consistent cornering loads and predictable weight transfer, making it ideal for street-driven performance...EIB1200.250.0250- SKU:
- EIB1200.250.0250
- Availability:
- Ships Same Business Day
- Weight:
- 4.34 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0225
EIBACH
$87.00A properly tuned coil-over spring is fundamental to any suspension setup—it directly controls how your chassis handles weight transfer, body roll, and ride height. This 12-inch coil-over delivers a linear 225 lb/in spring rate, making it ideal for...EIB1200.250.0225- SKU:
- EIB1200.250.0225
- Availability:
- Ships Same Business Day
- Weight:
- 4.47 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0200
EIBACH
$87.00A properly tuned suspension starts with the right spring rate, and this 200 lb/in coil-over delivers predictable, linear load response for street and track applications. Whether you're building a handling package or replacing worn suspension components,...EIB1200.250.0200- SKU:
- EIB1200.250.0200
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0185
EIBACH
$87.00If you're building or tuning a performance suspension, spring rate is everything—and this 185 lb/in coil-over gives you the precision compliance you need without sacrificing response. At 12 inches long with a 2.5-inch ID, it's engineered to work in tight...EIB1200.250.0185- SKU:
- EIB1200.250.0185
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0175
EIBACH
$87.00A precision-engineered coil-over spring built for racers and performance enthusiasts who demand consistent, predictable suspension behavior lap after lap. The 175 lb/in spring rate delivers responsive handling without sacrificing ride quality, making it...EIB1200.250.0175- SKU:
- EIB1200.250.0175
- Availability:
- Ships Same Business Day
- Weight:
- 3.68 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0165
EIBACH
$87.00A quality coil-over spring is fundamental to tuning your suspension's ride height, stiffness, and handling characteristics. This 12-inch coil-over delivers a moderate 165 lb/in spring rate—ideal for street-performance applications, road racing, and...EIB1200.250.0165- SKU:
- EIB1200.250.0165
- Availability:
- Ships Same Business Day
- Weight:
- 3.48 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0150
EIBACH
$87.00A properly tuned suspension starts with the right spring rate, and this 12-inch coil-over delivers the 150 lb/in stiffness needed for responsive handling without sacrificing ride quality. Whether you're fine-tuning a road course setup or dialing in a...EIB1200.250.0150- SKU:
- EIB1200.250.0150
- Availability:
- Ships Same Business Day
- Weight:
- 3.74 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0140
EIBACH
$87.00A properly tuned suspension starts with the right spring rate, and this 140 lb/in coil-over delivers the compliance needed for daily driving while maintaining chassis control under load. The 12-inch length and 2.5-inch ID make this a versatile fitment...EIB1200.250.0140- SKU:
- EIB1200.250.0140
- Availability:
- Ships Same Business Day
- Weight:
- 3.58 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0125
EIBACH
$87.00A properly matched coil-over spring is critical for suspension tuning—this 125 lb/in rate delivers predictable handling characteristics across a wide range of vehicle weights and driving conditions. Whether you're fine-tuning a road course setup or...EIB1200.250.0125- SKU:
- EIB1200.250.0125
- Availability:
- Ships Same Business Day
- Weight:
- 3.36 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0110
EIBACH
$87.00A properly matched coil-over spring is the foundation of consistent suspension performance, whether you're fine-tuning a street machine or dialing in a dedicated track car. This 110 lb/in spring delivers predictable handling characteristics and stable...EIB1200.250.0110- SKU:
- EIB1200.250.0110
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0100
EIBACH
$87.00A properly tuned suspension starts with the right spring rates—this 12-inch coil-over delivers a predictable 100 lb/in rate that balances responsiveness with controlled compliance for track or street applications. Whether you're fine-tuning your setup or...EIB1200.250.0100- SKU:
- EIB1200.250.0100
- Availability:
- Ships Same Business Day
- Weight:
- 2.76 LBS
$87.00 -
Spring 12in Coil-Over 2.5in ID 1200.250.0090
EIBACH
$87.00A properly tuned coil-over spring is the foundation of responsive suspension geometry and consistent handling on the track or street. This 12-inch spring delivers a 90 lb/in rate—stiff enough for performance driving without sacrificing ride...EIB1200.250.0090- SKU:
- EIB1200.250.0090
- Availability:
- Ships Same Business Day
- Weight:
- 3.03 LBS
$87.00 -
11in x 5.5in x 1300# Front Spring 1100.550.1300
EIBACH
$95.00High-rate front springs are essential for maintaining consistent ride height and load transfer in demanding racing applications. This 1300 lb/in spring delivers the stiffness needed for precision handling without sacrificing durability, making it ideal...EIB1100.550.1300- SKU:
- EIB1100.550.1300
- Availability:
- Ships Same Business Day
- Weight:
- 15.45 LBS
$95.00Qty in Cart: 0Quantity:Price:$95.00Subtotal: -
11in x 5.5in x 1200# Front Spring 1100.550.1200
EIBACH
$95.00A high spring rate demands precision engineering, and this 1200 lb/in coil spring delivers the stiffness required for aggressive front-end geometry and consistent suspension response. Whether you're fine-tuning a track car or building a dedicated race...EIB1100.550.1200- SKU:
- EIB1100.550.1200
- Availability:
- Ships Same Business Day
- Weight:
- 14.25 LBS
$95.00
